Color

#6f299e

#6f299e
hex#6f299e
rgbrgb(111, 41, 158)
hslhsl(276, 59%, 39%)
oklchoklch(0.443 0.181 307.8)
Closest name: rebeccapurple (#663399)Relative luminance 0.0743

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#589e29

#35299e · #9e2992

#9e6f29 · #299e6f

Split-complementary

Open in tool →

#929e29 · #299e35

#9e3529 · #589e29 · #29929e

Contrast

#6f299e as textRatioAAAA largeAAAFix
Aaon white
8.44:1passpasspassPasses AAA — no fix needed.
Aaon black
2.49:1failfailfail
  • AA: use #9e51d2 as the text (4.56:1)
  • AAA: use #b77dde as the text (7:1)
  • AA: or shift the background to #bfbfbf (4.59:1)
  • AAA: or shift the background to #ebebeb (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6f299e as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#6f299e reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6f299e
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #6f299e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6f299e-b99cc4-bfcb62-2d1f2d-eae9f1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md